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Merge pull request #2167 from divayprakash/typos-fix
[make/en] fixed typos and spellings, added content
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@ -9,16 +9,16 @@ A Makefile defines a graph of rules for creating a target (or targets).
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Its purpose is to do the minimum amount of work needed to update a
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target to the most recent version of the source. Famously written over a
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weekend by Stuart Feldman in 1976, it is still widely used (particularly
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on Unix) despite many competitors and criticisms.
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on Unix and Linux) despite many competitors and criticisms.
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There are many varieties of make in existence, this article assumes that
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we are using GNU make which is the standard on Linux.
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There are many varieties of make in existence, however this article
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assumes that we are using GNU make which is the standard on Linux.
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```make
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# Comments can be written like this.
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# Files should be named Makefile and then be can run as `make <target>`.
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# File should be named Makefile and then can be run as `make <target>`.
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# Otherwise we use `make -f "filename" <target>`.
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# Warning - only use TABS to indent in Makefiles, never spaces!
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@ -27,13 +27,16 @@ we are using GNU make which is the standard on Linux.
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# Basics
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#-----------------------------------------------------------------------
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# Rules are of the format
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# target: <prerequisite>
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# where prerequisites are optional.
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# A rule - this rule will only run if file0.txt doesn't exist.
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file0.txt:
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echo "foo" > file0.txt
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# Even comments in these 'recipe' sections get passed to the shell.
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# Try `make file0.txt` or simply `make` - first rule is the default.
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# This rule will only run if file0.txt is newer than file1.txt.
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file1.txt: file0.txt
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cat file0.txt > file1.txt
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@ -99,8 +102,8 @@ process: ex1.txt file0.txt
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%.png: %.svg
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inkscape --export-png $^
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# Pattern rules will only do anything if make decides to create the \
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target.
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# Pattern rules will only do anything if make decides to create the
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# target.
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# Directory paths are normally ignored when matching pattern rules. But
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# make will try to use the most appropriate rule available.
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@ -185,7 +188,7 @@ var := hello
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var2 ::= $(var) hello
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#:= and ::= are equivalent.
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# These variables are evaluated procedurely (in the order that they
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# These variables are evaluated procedurally (in the order that they
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# appear), thus breaking with the rest of the language !
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# This doesn't work
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